Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 11 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/19/2019   06:12:09   (  -0.00, -75.19) (  -0.90, -71.26)  448.07                80
 11/20/2019   18:33:48   (  -0.00, -75.19) (  -0.28, -76.50)  148.42                80
 11/21/2019   18:17:33   (  -0.00, -75.19) (   0.74, -71.92)  372.88                80
 11/23/2019   06:39:04   (   0.00, -75.19) (   0.45, -77.12)  220.77                80
 11/24/2019   06:17:29   (   0.00, -75.19) (  -0.57, -72.54)  300.84                80
 11/25/2019   18:39:08   (  -0.01, -75.20) (  -0.61, -77.78)  294.56                80
 11/26/2019   18:22:52   (  -0.01, -75.20) (   0.41, -73.20)  227.51                80
 11/28/2019   06:44:25   (   0.02, -75.21) (   0.72, -78.41)  365.03                80
 11/29/2019   06:22:49   (   0.02, -75.22) (  -0.30, -73.84)  157.17                80
 11/30/2019   18:44:29   (  -0.03, -75.23) (  -0.87, -79.07)  437.33                80
 12/01/2019   18:28:13   (  -0.03, -75.25) (   0.15, -74.50)   85.38                80